Section 1004 (Automatic Transmission - 4L80-E/4L85-E (Troubleshooting)): Troubleshooting: Vibration
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Vibration
| Checks | Cause |
|---|---|
| Torque Converter (1) |
|
| Transmission/Engine | Misaligned or missing dowels |
| Case Extension (19) | Output shaft support bushing is worn. |
| Turbine Shaft (502) | Worn surface of the stator shaft bushing |
| Mainshaft (662) | Worn bushing |
| Output Shaft (671) | Worn bushing |
| Bearing (668) | Worn |